Volkswagen Golf / Golf GTI / Jetta. Manual — part 139

01-135

If no electrical or wiring concerns are
found:

- Check wiring for open circuit

between test box and 3-pin
connector referring to Electrical
Wiring Diagrams

Terminal 1 and socket 80

Terminal 2 and socket 25

Wire resistance: max. 1.5

- Additionally check wire for short

to battery positive and Ground
(GND). Specification:

- Check wire for open circuit

between 3-pin connector terminal
3 and fuel pump relay -J17-
referring to Electrical Wiring
Diagrams.

Wire resistance: max. 1.5

- Replace Motronic Engine Control

Module (ECM) -J220-

Page 24-

173

.

- Check DTC memory, repair

Diagnostic Trouble Codes (DTCs)
if necessary and then erase DTC
memory

Page 01-23

, DTC

memory, checking and erasing.

- Erase learned values and adapt

Motronic Engine Control Module
(ECM) -J220- again

Page 24-

182

.

Output Diagnosis Test Mode (DTM)

01-136

- Read readiness code

Page 01-146

. If the

DTC memory has been erased or the Motronic
Engine Control Module (ECM) -J220- was
disconnected from battery (B+) positive, the
readiness code must be generated again

Page 01-149

.

7. Activating Camshaft Adjustment Valve 1
(exhaust) -N318-:

- Press

button.

Output Diagnosis Test Mode

17457 / Literature

Indicated on display of VAG 1551 scan tool or VAG

1552:

or

Output Diagnosis Test Mode

Camshaft Adjustment Valve 1 -N318-

Indicated on display of VAS 5051

Note:

The Camshaft Adjustment Valve 1 (exhaust) is
barely audible when operating.

- Press

button.

The Camshaft Adjustment Valve 1 (exhaust)

must click until the next Output Diagnostic Test
element is activated by pressing

button.

Output Diagnosis Test Mode (DTM)

01-137

If the valve does not click:

Note:

Mark connector and component
before pulling connector off.

- Disconnect 2-pin connector from

Camshaft Adjustment Valve 1
(exhaust) -N318- -2-.

LED flashes:

- Connect LED test light VAG 1527

to disconnected connector using
adapter cables from VAG 1594.

LED must flash (bright/darker)

- Press -C- button to abort output

Diagnosis Test Mode (DTM).

Output Diagnosis Test Mode (DTM)

01-138

Output Diagnosis Test Mode was aborted

Indicated on display:

Repair Manual, 2.8 Liter VR6 4V

Engine Mechanical, Engine Code(s):
BDF; Repair Group 15, Valve train,
servicing

Note:

The control housing is only replaced
complete with Valve -1- for camshaft
adjustment -N205- and Camshaft
Adjustment Valve 1 (exhaust) -N318-
.

LED does not flash:

- Switch off ignition.

- Replace engine control housing:

- Check DTC memory, repair

Diagnostic Trouble Codes (DTCs)
if necessary and then erase DTC
memory

Page 01-23

, DTC

memory, checking and erasing.

- Read readiness code

Page 01-

146

. If the DTC memory has

been erased or the Motronic
Engine Control Module (ECM) -
J220- was disconnected from
battery (B+) positive, the
readiness code must be
generated again

Page 01-149

.

- Press -C- button to abort output

Diagnosis Test Mode (DTM).

Output Diagnosis Test Mode was aborted

Indicated on display:

Repair Manual, Electrical

Equipment, Repair Group 92

- Switch off ignition.

- Remove wiper arms and cowl

panel:

Output Diagnosis Test Mode (DTM)